EP0767565A3 - Dynamically determining network media type - Google Patents

Dynamically determining network media type Download PDF

Info

Publication number
EP0767565A3
EP0767565A3 EP96307155A EP96307155A EP0767565A3 EP 0767565 A3 EP0767565 A3 EP 0767565A3 EP 96307155 A EP96307155 A EP 96307155A EP 96307155 A EP96307155 A EP 96307155A EP 0767565 A3 EP0767565 A3 EP 0767565A3
Authority
EP
European Patent Office
Prior art keywords
network interface
software module
interface driver
packets
media type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96307155A
Other languages
German (de)
French (fr)
Other versions
EP0767565A2 (en
Inventor
Thomas D. c/o Canon K.K. Lawrence
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of EP0767565A2 publication Critical patent/EP0767565A2/en
Publication of EP0767565A3 publication Critical patent/EP0767565A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer And Data Communications (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)

Abstract

A method for dynamically determining a media type of a local area network (LAN) to which a network device is connected. A network interface driver software module is executed which is the lowest level of software to communicate with the LAN and which handles the sending and receiving of communication packets to and from the LAN by appending or stripping off packet frame headers. The network interface driver software module has one or more logical boards for processing communication packets having different respective frame types and has one or more configuration tables, each respectively associated with one of the logical boards, which each include a frame type identifying value that identifies a combination of frame type and media type for packets processed by the corresponding logical board. The network interface driver software module also has a service routine which can be accessed via an entry point. One or more protocol stack modules are executed for processing packets that use different respective protocols, and a multiplexer software module is executed which interfaces between the network interface driver software module and the one or more protocol stack modules and which routes packets from the network interface driver software module to the respective protocol stack modules according to the protocol used by the packets. The entry point of the network interface driver service routine is obtained via the multiplexer module. A location of one of the configuration tables is then obtained via the service routine. The frame type identifying value in the one configuration table is then read, and the network media type is determined by comparing the frame type identifying value read from the one configuration table to one or more values that correspond to a predetermined media type.
EP96307155A 1995-10-06 1996-09-30 Dynamically determining network media type Withdrawn EP0767565A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US540138 1995-10-06
US08/540,138 US5758070A (en) 1995-10-06 1995-10-06 System for dynamically determining a network media type of a LAN using frame type identifying value from a configuration table

Publications (2)

Publication Number Publication Date
EP0767565A2 EP0767565A2 (en) 1997-04-09
EP0767565A3 true EP0767565A3 (en) 1998-10-21

Family

ID=24154178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96307155A Withdrawn EP0767565A3 (en) 1995-10-06 1996-09-30 Dynamically determining network media type

Country Status (3)

Country Link
US (1) US5758070A (en)
EP (1) EP0767565A3 (en)
JP (1) JPH09121225A (en)

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Also Published As

Publication number Publication date
US5758070A (en) 1998-05-26
JPH09121225A (en) 1997-05-06
EP0767565A2 (en) 1997-04-09

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